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Structural study of carbanionic species .alpha. to a phosphoryl group. The anion of diethyl [(carbomethoxy)methyl]phosphonate. Comparison with phosphorus-ylidic esters and acetoacetic esters anions

✍ Scribed by Bottin-Strzalko, Tekla; Corset, Jacques; Froment, Francoise; Pouet, Marie Jose; Seyden-Penne, Jacqueline; Simonnin, Marie Paule

Book ID: 126150200
Publisher: American Chemical Society
Year: 1980
Tongue: English
Weight: 859 KB
Volume: 45
Category: Article
ISSN: 0022-3263
DOI: 10.1021/jo01295a021

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Structural studies of carbanionic specie

Structural studies of carbanionic species α to a phosphoryl group; anion from ketophosphonate comparison with related enoxysilanes and p-ylid

✍ Tekla Bottin-Strzalko; Jacqueline Seyden-Penne; Marie-José Pouet; Marie-Paule Si 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 English ⚖ 384 KB

## Abstract The structure of the carbanionic species 4 formed from diethyl(2‐oxopropyl)phosphonate and __t__‐BuOK has been studied by ^1^H, ^13^C and ^31^P NMR. In an associating medium (pyridine), a single chelated (C) carbanionic species 4__Z__ (C) is observed. Two slowly interconverting species